[INFO] fetching crate stylo_arc 0.4.0... [INFO] testing stylo_arc-0.4.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate stylo_arc 0.4.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate stylo_arc 0.4.0 [INFO] finished tweaking crates.io crate stylo_arc 0.4.0 [INFO] tweaked toml for crates.io crate stylo_arc 0.4.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate stylo_arc 0.4.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 8 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 80db4246a7a73dc66ac545b4e5cda7e14c4759b8c505f175bb18c55606190418 [INFO] running `Command { std: "docker" "start" "-a" "80db4246a7a73dc66ac545b4e5cda7e14c4759b8c505f175bb18c55606190418", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "80db4246a7a73dc66ac545b4e5cda7e14c4759b8c505f175bb18c55606190418", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80db4246a7a73dc66ac545b4e5cda7e14c4759b8c505f175bb18c55606190418", kill_on_drop: false }` [INFO] [stdout] 80db4246a7a73dc66ac545b4e5cda7e14c4759b8c505f175bb18c55606190418 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7840a290980861a62b0799b35403896eddce2622b46b7a3ea6474150b8f7ae14 [INFO] running `Command { std: "docker" "start" "-a" "7840a290980861a62b0799b35403896eddce2622b46b7a3ea6474150b8f7ae14", kill_on_drop: false }` [INFO] [stderr] Compiling stable_deref_trait v1.2.1 [INFO] [stderr] Compiling stylo_arc v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1063:19 [INFO] [stdout] | [INFO] [stdout] 1063 | pub fn borrow(&self) -> ArcUnionBorrow { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1063 | pub fn borrow(&self) -> ArcUnionBorrow<'_, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1100:21 [INFO] [stdout] | [INFO] [stdout] 1100 | pub fn as_first(&self) -> Option> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1100 | pub fn as_first(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1108:22 [INFO] [stdout] | [INFO] [stdout] 1108 | pub fn as_second(&self) -> Option> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1108 | pub fn as_second(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `Command { std: "docker" "inspect" "7840a290980861a62b0799b35403896eddce2622b46b7a3ea6474150b8f7ae14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7840a290980861a62b0799b35403896eddce2622b46b7a3ea6474150b8f7ae14", kill_on_drop: false }` [INFO] [stdout] 7840a290980861a62b0799b35403896eddce2622b46b7a3ea6474150b8f7ae14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e5cf1a356137abe9e3e7deed1e1f539bce1a921edd22f2323dab8d15f66598d [INFO] running `Command { std: "docker" "start" "-a" "3e5cf1a356137abe9e3e7deed1e1f539bce1a921edd22f2323dab8d15f66598d", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1063:19 [INFO] [stdout] | [INFO] [stdout] 1063 | pub fn borrow(&self) -> ArcUnionBorrow { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1063 | pub fn borrow(&self) -> ArcUnionBorrow<'_, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1100:21 [INFO] [stdout] | [INFO] [stdout] 1100 | pub fn as_first(&self) -> Option> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1100 | pub fn as_first(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1108:22 [INFO] [stdout] | [INFO] [stdout] 1108 | pub fn as_second(&self) -> Option> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1108 | pub fn as_second(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling stylo_arc v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1063:19 [INFO] [stdout] | [INFO] [stdout] 1063 | pub fn borrow(&self) -> ArcUnionBorrow { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1063 | pub fn borrow(&self) -> ArcUnionBorrow<'_, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1100:21 [INFO] [stdout] | [INFO] [stdout] 1100 | pub fn as_first(&self) -> Option> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1100 | pub fn as_first(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1108:22 [INFO] [stdout] | [INFO] [stdout] 1108 | pub fn as_second(&self) -> Option> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1108 | pub fn as_second(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "3e5cf1a356137abe9e3e7deed1e1f539bce1a921edd22f2323dab8d15f66598d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e5cf1a356137abe9e3e7deed1e1f539bce1a921edd22f2323dab8d15f66598d", kill_on_drop: false }` [INFO] [stdout] 3e5cf1a356137abe9e3e7deed1e1f539bce1a921edd22f2323dab8d15f66598d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4bb5820865dc379e3b1a9666b5aec9a8ccb691302692834dcf610abe6e1b6507 [INFO] running `Command { std: "docker" "start" "-a" "4bb5820865dc379e3b1a9666b5aec9a8ccb691302692834dcf610abe6e1b6507", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> lib.rs:1063:19 [INFO] [stderr] | [INFO] [stderr] 1063 | pub fn borrow(&self) -> ArcUnionBorrow { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 1063 | pub fn borrow(&self) -> ArcUnionBorrow<'_, A, B> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> lib.rs:1100:21 [INFO] [stderr] | [INFO] [stderr] 1100 | pub fn as_first(&self) -> Option> { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 1100 | pub fn as_first(&self) -> Option> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> lib.rs:1108:22 [INFO] [stderr] | [INFO] [stderr] 1108 | pub fn as_second(&self) -> Option> { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 1108 | pub fn as_second(&self) -> Option> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `stylo_arc` (lib) generated 3 warnings (run `cargo fix --lib -p stylo_arc` to apply 3 suggestions) [INFO] [stderr] warning: `stylo_arc` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests lib.rs (/opt/rustwide/target/debug/deps/stylo_arc-c670e950a4cd8a64) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::empty_thin ... ok [INFO] [stdout] test tests::slices_and_thin ... ok [INFO] [stdout] test tests::thin_assert_padding ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests stylo_arc [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test lib.rs - UniqueArc (line 93) ... ignored [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4bb5820865dc379e3b1a9666b5aec9a8ccb691302692834dcf610abe6e1b6507", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bb5820865dc379e3b1a9666b5aec9a8ccb691302692834dcf610abe6e1b6507", kill_on_drop: false }` [INFO] [stdout] 4bb5820865dc379e3b1a9666b5aec9a8ccb691302692834dcf610abe6e1b6507